Cole, Lawrence Edwin, 1897- <br/><br/>
Educational psychology 
Lawrence E. Cole 
 - rev ed. 
 - Yonkers-on-Hudson, New York  World Book Company  1963 
 - 701 p. : ill. ; 25 cm. 
<br/><br/> Includes index 
<br/><br/>p. 672-692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology